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  2. Semantic dementia - Wikipedia

    en.wikipedia.org/wiki/Semantic_dementia

    In neurology, semantic dementia (SD), also known as semantic variant primary progressive aphasia (svPPA), is a progressive neurodegenerative disorder characterized by loss of semantic memory in both the verbal and non-verbal domains. However, the most common presenting symptoms are in the verbal domain (with loss of word meaning).

  3. Agraphia - Wikipedia

    en.wikipedia.org/wiki/Agraphia

    This impaired spelling memory can imply the loss or degradation of the knowledge or just an inability to efficiently access it. [2] There is a regularity effect associated with lexical agraphia in that individuals are less likely to correctly spell words without regular, predictable spellings. [2]

  4. Echolalia - Wikipedia

    en.wikipedia.org/wiki/Echolalia

    Echolalia is a form of imitation. Imitation is a useful, normal and necessary component of social learning: imitative learning occurs when the "observer acquires new behaviors through imitation" and mimicry or automatic imitation occurs when a "reenacted behavior is based on previously acquired motor (or vocal) patterns". [1]

  5. Receptive aphasia - Wikipedia

    en.wikipedia.org/wiki/Receptive_aphasia

    The social approach involves a collaborative effort on behalf of patients and clinicians to determine goals and outcomes for therapy that could improve the patient's quality of life. A conversational approach is thought to provide opportunities for development and the use of strategies to overcome barriers to communication.

  6. Speech and language impairment - Wikipedia

    en.wikipedia.org/wiki/Speech_and_language_impairment

    Language-based learning disabilities, which refer to difficulties with reading, spelling, and/or writing that are evidenced in a significant lag behind the individual's same-age peers. Most children with these disabilities are at least of average intelligence, ruling out intellectual impairments as the causal factor.

  7. Glossary of communication disorders - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_communication...

    Trembling or shaking of one or more of the muscles of the larynx, resulting in an unsteady-sounding voice. Voice Sound produced by air passing out through the larynx and upper respiratory tract. Voice disorders Group of problems involving abnormal pitch, loudness, or quality of the sound produced by the larynx (voice box).

  8. Aphasia - Wikipedia

    en.wikipedia.org/wiki/Aphasia

    Gradual loss of language function occurs in the context of relatively well-preserved memory, visual processing, and personality until the advanced stages. Symptoms usually begin with word-finding problems (naming) and progress to impaired grammar (syntax) and comprehension (sentence processing and semantics).

  9. Memory disorder - Wikipedia

    en.wikipedia.org/wiki/Memory_disorder

    The difference in memory between normal aging and a memory disorder is the amount of beta-amyloid deposits, hippocampal neurofibrillary tangles, or amyloid plaques in the cortex. If there is an increased amount, memory connections become blocked, memory functions decrease much more than what is normal for that age and a memory disorder is ...